svn_error_t *
svn_fs_fs__read_rep_header(svn_fs_fs__rep_header_t **header,
svn_stream_t *stream,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool)
{
svn_stringbuf_t *buffer;
char *str, *last_str;
apr_int64_t val;
svn_boolean_t eol = FALSE;
SVN_ERR(svn_stream_readline(stream, &buffer, "\n", &eol, scratch_pool));
*header = apr_pcalloc(result_pool, sizeof(**header));
(*header)->header_size = buffer->len + 1;
if (strcmp(buffer->data, REP_PLAIN) == 0)
{
(*header)->type = svn_fs_fs__rep_plain;
return SVN_NO_ERROR;
}
if (strcmp(buffer->data, REP_DELTA) == 0)
{
/* This is a delta against the empty stream. */
(*header)->type = svn_fs_fs__rep_self_delta;
return SVN_NO_ERROR;
}
(*header)->type = svn_fs_fs__rep_delta;
/* We have hopefully a DELTA vs. a non-empty base revision. */
last_str = buffer->data;
str = svn_cstring_tokenize(" ", &last_str);
if (! str || (strcmp(str, REP_DELTA) != 0))
goto error;
SVN_ERR(parse_revnum(&(*header)->base_revision, (const char **)&last_str));
str = svn_cstring_tokenize(" ", &last_str);
if (! str)
goto error;
SVN_ERR(svn_cstring_atoi64(&val, str));
(*header)->base_item_index = (apr_off_t)val;
str = svn_cstring_tokenize(" ", &last_str);
if (! str)
goto error;
SVN_ERR(svn_cstring_atoi64(&val, str));
(*header)->base_length = (svn_filesize_t)val;
return SVN_NO_ERROR;
error:
return svn_error_createf(SVN_ERR_FS_CORRUPT, NULL,
_("Malformed representation header"));
}
svn_error_t *
svn_fs_fs__parse_footer(apr_off_t *l2p_offset,
svn_checksum_t **l2p_checksum,
apr_off_t *p2l_offset,
svn_checksum_t **p2l_checksum,
svn_stringbuf_t *footer,
svn_revnum_t rev,
apr_pool_t *result_pool)
{
apr_int64_t val;
char *last_str = footer->data;
/* Get the L2P offset. */
const char *str = svn_cstring_tokenize(" ", &last_str);
if (str == NULL)
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Invalid revision footer"));
SVN_ERR(svn_cstring_atoi64(&val, str));
*l2p_offset = (apr_off_t)val;
/* Get the L2P checksum. */
str = svn_cstring_tokenize(" ", &last_str);
if (str == NULL)
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Invalid revision footer"));
SVN_ERR(svn_checksum_parse_hex(l2p_checksum, svn_checksum_md5, str,
result_pool));
/* Get the P2L offset. */
str = svn_cstring_tokenize(" ", &last_str);
if (str == NULL)
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Invalid revision footer"));
SVN_ERR(svn_cstring_atoi64(&val, str));
*p2l_offset = (apr_off_t)val;
/* Get the P2L checksum. */
str = svn_cstring_tokenize(" ", &last_str);
if (str == NULL)
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Invalid revision footer"));
SVN_ERR(svn_checksum_parse_hex(p2l_checksum, svn_checksum_md5, str,
result_pool));
return SVN_NO_ERROR;
}
svn_fs_id_t *
svn_fs_base__id_parse(const char *data,
apr_size_t len,
apr_pool_t *pool)
{
svn_fs_id_t *id;
id_private_t *pvt;
char *data_copy, *str;
/* Dup the ID data into POOL. Our returned ID will have references
into this memory. */
data_copy = apr_pstrmemdup(pool, data, len);
/* Alloc a new svn_fs_id_t structure. */
id = apr_palloc(pool, sizeof(*id));
pvt = apr_palloc(pool, sizeof(*pvt));
id->vtable = &id_vtable;
id->fsap_data = pvt;
/* Now, we basically just need to "split" this data on `.'
characters. We will use svn_cstring_tokenize, which will put
terminators where each of the '.'s used to be. Then our new
id field will reference string locations inside our duplicate
string.*/
/* Node Id */
str = svn_cstring_tokenize(".", &data_copy);
if (str == NULL)
return NULL;
pvt->node_id = str;
/* Copy Id */
str = svn_cstring_tokenize(".", &data_copy);
if (str == NULL)
return NULL;
pvt->copy_id = str;
/* Txn Id */
str = svn_cstring_tokenize(".", &data_copy);
if (str == NULL)
return NULL;
pvt->txn_id = str;
return id;
}
void
svn_cstring_split_append(apr_array_header_t *array,
const char *input,
const char *sep_chars,
svn_boolean_t chop_whitespace,
apr_pool_t *pool)
{
char *pats;
char *p;
pats = apr_pstrdup(pool, input); /* strtok wants non-const data */
p = svn_cstring_tokenize(sep_chars, &pats);
while (p)
{
if (chop_whitespace)
{
while (svn_ctype_isspace(*p))
p++;
{
char *e = p + (strlen(p) - 1);
while ((e >= p) && (svn_ctype_isspace(*e)))
e--;
*(++e) = '\0';
}
}
if (p[0] != '\0')
APR_ARRAY_PUSH(array, const char *) = p;
p = svn_cstring_tokenize(sep_chars, &pats);
}
return;
}
/* Load the setting http-auth-types from the global or server specific
section, parse its value and set the types of authentication we should
accept from the server. */
static svn_error_t *
load_http_auth_types(apr_pool_t *pool, svn_config_t *config,
const char *server_group,
int *authn_types)
{
const char *http_auth_types = NULL;
*authn_types = SERF_AUTHN_NONE;
svn_config_get(config, &http_auth_types, SVN_CONFIG_SECTION_GLOBAL,
SVN_CONFIG_OPTION_HTTP_AUTH_TYPES, NULL);
if (server_group)
{
svn_config_get(config, &http_auth_types, server_group,
SVN_CONFIG_OPTION_HTTP_AUTH_TYPES, http_auth_types);
}
if (http_auth_types)
{
char *token;
char *auth_types_list = apr_palloc(pool, strlen(http_auth_types) + 1);
apr_collapse_spaces(auth_types_list, http_auth_types);
while ((token = svn_cstring_tokenize(";", &auth_types_list)) != NULL)
{
if (svn_cstring_casecmp("basic", token) == 0)
*authn_types |= SERF_AUTHN_BASIC;
else if (svn_cstring_casecmp("digest", token) == 0)
*authn_types |= SERF_AUTHN_DIGEST;
else if (svn_cstring_casecmp("ntlm", token) == 0)
*authn_types |= SERF_AUTHN_NTLM;
else if (svn_cstring_casecmp("negotiate", token) == 0)
*authn_types |= SERF_AUTHN_NEGOTIATE;
else
return svn_error_createf(SVN_ERR_BAD_CONFIG_VALUE, NULL,
_("Invalid config: unknown %s "
"'%s'"),
SVN_CONFIG_OPTION_HTTP_AUTH_TYPES, token);
}
}
else
{
/* Nothing specified by the user, so accept all types. */
*authn_types = SERF_AUTHN_ALL;
}
return SVN_NO_ERROR;
}
svn_error_t *
svn_fs_fs__parse_representation(representation_t **rep_p,
svn_stringbuf_t *text,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool)
{
representation_t *rep;
char *str;
apr_int64_t val;
char *string = text->data;
svn_checksum_t *checksum;
const char *end;
rep = apr_pcalloc(result_pool, sizeof(*rep));
*rep_p = rep;
SVN_ERR(parse_revnum(&rep->revision, (const char **)&string));
/* initialize transaction info (never stored) */
svn_fs_fs__id_txn_reset(&rep->txn_id);
/* while in transactions, it is legal to simply write "-1" */
str = svn_cstring_tokenize(" ", &string);
if (str == NULL)
{
if (rep->revision == SVN_INVALID_REVNUM)
return SVN_NO_ERROR;
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Malformed text representation offset line in node-rev"));
}
SVN_ERR(svn_cstring_atoi64(&val, str));
rep->item_index = (apr_uint64_t)val;
str = svn_cstring_tokenize(" ", &string);
if (str == NULL)
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Malformed text representation offset line in node-rev"));
SVN_ERR(svn_cstring_atoi64(&val, str));
rep->size = (svn_filesize_t)val;
str = svn_cstring_tokenize(" ", &string);
if (str == NULL)
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Malformed text representation offset line in node-rev"));
SVN_ERR(svn_cstring_atoi64(&val, str));
rep->expanded_size = (svn_filesize_t)val;
/* Read in the MD5 hash. */
str = svn_cstring_tokenize(" ", &string);
if ((str == NULL) || (strlen(str) != (APR_MD5_DIGESTSIZE * 2)))
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Malformed text representation offset line in node-rev"));
SVN_ERR(svn_checksum_parse_hex(&checksum, svn_checksum_md5, str,
scratch_pool));
memcpy(rep->md5_digest, checksum->digest, sizeof(rep->md5_digest));
/* The remaining fields are only used for formats >= 4, so check that. */
str = svn_cstring_tokenize(" ", &string);
if (str == NULL)
return SVN_NO_ERROR;
/* Read the SHA1 hash. */
if (strlen(str) != (APR_SHA1_DIGESTSIZE * 2))
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Malformed text representation offset line in node-rev"));
SVN_ERR(svn_checksum_parse_hex(&checksum, svn_checksum_sha1, str,
scratch_pool));
rep->has_sha1 = checksum != NULL;
memcpy(rep->sha1_digest, checksum->digest, sizeof(rep->sha1_digest));
/* Read the uniquifier. */
str = svn_cstring_tokenize("/", &string);
if (str == NULL)
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Malformed text representation offset line in node-rev"));
SVN_ERR(svn_fs_fs__id_txn_parse(&rep->uniquifier.noderev_txn_id, str));
str = svn_cstring_tokenize(" ", &string);
if (str == NULL || *str != '_')
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Malformed text representation offset line in node-rev"));
++str;
rep->uniquifier.number = svn__base36toui64(&end, str);
if (*end)
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Malformed text representation offset line in node-rev"));
return SVN_NO_ERROR;
}
/* Read the next entry in the changes record from file FILE and store
the resulting change in *CHANGE_P. If there is no next record,
store NULL there. Perform all allocations from POOL. */
static svn_error_t *
read_change(change_t **change_p,
svn_stream_t *stream,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool)
{
svn_stringbuf_t *line;
svn_boolean_t eof = TRUE;
change_t *change;
char *str, *last_str, *kind_str;
svn_fs_path_change2_t *info;
/* Default return value. */
*change_p = NULL;
SVN_ERR(svn_stream_readline(stream, &line, "\n", &eof, scratch_pool));
/* Check for a blank line. */
if (eof || (line->len == 0))
return SVN_NO_ERROR;
change = apr_pcalloc(result_pool, sizeof(*change));
info = &change->info;
last_str = line->data;
/* Get the node-id of the change. */
str = svn_cstring_tokenize(" ", &last_str);
if (str == NULL)
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Invalid changes line in rev-file"));
SVN_ERR(svn_fs_fs__id_parse(&info->node_rev_id, str, result_pool));
if (info->node_rev_id == NULL)
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Invalid changes line in rev-file"));
/* Get the change type. */
str = svn_cstring_tokenize(" ", &last_str);
if (str == NULL)
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Invalid changes line in rev-file"));
/* Don't bother to check the format number before looking for
* node-kinds: just read them if you find them. */
info->node_kind = svn_node_unknown;
kind_str = strchr(str, '-');
if (kind_str)
{
/* Cap off the end of "str" (the action). */
*kind_str = '\0';
kind_str++;
if (strcmp(kind_str, SVN_FS_FS__KIND_FILE) == 0)
info->node_kind = svn_node_file;
else if (strcmp(kind_str, SVN_FS_FS__KIND_DIR) == 0)
info->node_kind = svn_node_dir;
else
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Invalid changes line in rev-file"));
}
if (strcmp(str, ACTION_MODIFY) == 0)
{
info->change_kind = svn_fs_path_change_modify;
}
else if (strcmp(str, ACTION_ADD) == 0)
{
info->change_kind = svn_fs_path_change_add;
}
else if (strcmp(str, ACTION_DELETE) == 0)
{
info->change_kind = svn_fs_path_change_delete;
}
else if (strcmp(str, ACTION_REPLACE) == 0)
{
info->change_kind = svn_fs_path_change_replace;
}
else if (strcmp(str, ACTION_RESET) == 0)
{
info->change_kind = svn_fs_path_change_reset;
}
else
{
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Invalid change kind in rev file"));
}
/* Get the text-mod flag. */
str = svn_cstring_tokenize(" ", &last_str);
if (str == NULL)
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Invalid changes line in rev-file"));
if (strcmp(str, FLAG_TRUE) == 0)
{
info->text_mod = TRUE;
}
else if (strcmp(str, FLAG_FALSE) == 0)
{
info->text_mod = FALSE;
}
else
{
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Invalid text-mod flag in rev-file"));
}
/* Get the prop-mod flag. */
str = svn_cstring_tokenize(" ", &last_str);
if (str == NULL)
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Invalid changes line in rev-file"));
if (strcmp(str, FLAG_TRUE) == 0)
{
info->prop_mod = TRUE;
}
else if (strcmp(str, FLAG_FALSE) == 0)
{
info->prop_mod = FALSE;
}
else
{
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Invalid prop-mod flag in rev-file"));
}
/* Get the mergeinfo-mod flag if given. Otherwise, the next thing
is the path starting with a slash. Also, we must initialize the
flag explicitly because 0 is not valid for a svn_tristate_t. */
info->mergeinfo_mod = svn_tristate_unknown;
if (*last_str != '/')
{
str = svn_cstring_tokenize(" ", &last_str);
if (str == NULL)
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Invalid changes line in rev-file"));
if (strcmp(str, FLAG_TRUE) == 0)
{
info->mergeinfo_mod = svn_tristate_true;
}
else if (strcmp(str, FLAG_FALSE) == 0)
{
info->mergeinfo_mod = svn_tristate_false;
}
else
{
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Invalid mergeinfo-mod flag in rev-file"));
}
}
/* Get the changed path. */
if (!svn_fspath__is_canonical(last_str))
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Invalid path in changes line"));
change->path.len = strlen(last_str);
change->path.data = apr_pstrdup(result_pool, last_str);
/* Read the next line, the copyfrom line. */
SVN_ERR(svn_stream_readline(stream, &line, "\n", &eof, scratch_pool));
info->copyfrom_known = TRUE;
if (eof || line->len == 0)
{
info->copyfrom_rev = SVN_INVALID_REVNUM;
info->copyfrom_path = NULL;
}
else
{
last_str = line->data;
SVN_ERR(parse_revnum(&info->copyfrom_rev, (const char **)&last_str));
if (!svn_fspath__is_canonical(last_str))
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Invalid copy-from path in changes line"));
info->copyfrom_path = apr_pstrdup(result_pool, last_str);
}
*change_p = change;
return SVN_NO_ERROR;
}
/* Return an ID resulting from parsing the string DATA, or NULL if DATA is
an invalid ID string. *DATA will be modified / invalidated by this call. */
static svn_fs_id_t *
id_parse(char *data,
apr_pool_t *pool)
{
fs_fs__id_t *id;
char *str;
/* Alloc a new svn_fs_id_t structure. */
id = apr_pcalloc(pool, sizeof(*id));
id->generic_id.vtable = &id_vtable;
id->generic_id.fsap_data = id;
/* Now, we basically just need to "split" this data on `.'
characters. We will use svn_cstring_tokenize, which will put
terminators where each of the '.'s used to be. Then our new
id field will reference string locations inside our duplicate
string.*/
/* Node Id */
str = svn_cstring_tokenize(".", &data);
if (str == NULL)
return NULL;
if (! part_parse(&id->private_id.node_id, str))
return NULL;
/* Copy Id */
str = svn_cstring_tokenize(".", &data);
if (str == NULL)
return NULL;
if (! part_parse(&id->private_id.copy_id, str))
return NULL;
/* Txn/Rev Id */
str = svn_cstring_tokenize(".", &data);
if (str == NULL)
return NULL;
if (str[0] == 'r')
{
apr_int64_t val;
const char *tmp;
svn_error_t *err;
/* This is a revision type ID */
id->private_id.txn_id.revision = SVN_INVALID_REVNUM;
id->private_id.txn_id.number = 0;
data = str + 1;
str = svn_cstring_tokenize("/", &data);
if (str == NULL)
return NULL;
if (!locale_independent_strtol(&id->private_id.rev_item.revision,
str, &tmp))
return NULL;
err = svn_cstring_atoi64(&val, data);
if (err)
{
svn_error_clear(err);
return NULL;
}
id->private_id.rev_item.number = (apr_uint64_t)val;
}
else if (str[0] == 't')
{
/* This is a transaction type ID */
id->private_id.rev_item.revision = SVN_INVALID_REVNUM;
id->private_id.rev_item.number = 0;
if (! txn_id_parse(&id->private_id.txn_id, str + 1))
return NULL;
}
else
return NULL;
return (svn_fs_id_t *)id;
}
svn_error_t *
svn_fs_x__parse_representation(svn_fs_x__representation_t **rep_p,
svn_stringbuf_t *text,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool)
{
svn_fs_x__representation_t *rep;
char *str;
apr_int64_t val;
char *string = text->data;
svn_checksum_t *checksum;
rep = apr_pcalloc(result_pool, sizeof(*rep));
*rep_p = rep;
str = svn_cstring_tokenize(" ", &string);
if (str == NULL)
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Malformed text representation offset line in node-rev"));
SVN_ERR(svn_cstring_atoi64(&rep->id.change_set, str));
/* while in transactions, it is legal to simply write "-1" */
if (rep->id.change_set == -1)
return SVN_NO_ERROR;
str = svn_cstring_tokenize(" ", &string);
if (str == NULL)
{
if (rep->id.change_set == SVN_FS_X__INVALID_CHANGE_SET)
return SVN_NO_ERROR;
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Malformed text representation offset line in node-rev"));
}
SVN_ERR(svn_cstring_atoi64(&val, str));
rep->id.number = (apr_off_t)val;
str = svn_cstring_tokenize(" ", &string);
if (str == NULL)
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Malformed text representation offset line in node-rev"));
SVN_ERR(svn_cstring_atoi64(&val, str));
rep->size = (svn_filesize_t)val;
str = svn_cstring_tokenize(" ", &string);
if (str == NULL)
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Malformed text representation offset line in node-rev"));
SVN_ERR(svn_cstring_atoi64(&val, str));
rep->expanded_size = (svn_filesize_t)val;
/* Read in the MD5 hash. */
str = svn_cstring_tokenize(" ", &string);
if ((str == NULL) || (strlen(str) != (APR_MD5_DIGESTSIZE * 2)))
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Malformed text representation offset line in node-rev"));
SVN_ERR(svn_checksum_parse_hex(&checksum, svn_checksum_md5, str,
scratch_pool));
if (checksum)
memcpy(rep->md5_digest, checksum->digest, sizeof(rep->md5_digest));
/* The remaining fields are only used for formats >= 4, so check that. */
str = svn_cstring_tokenize(" ", &string);
if (str == NULL)
return SVN_NO_ERROR;
/* Read the SHA1 hash. */
if (strlen(str) != (APR_SHA1_DIGESTSIZE * 2))
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Malformed text representation offset line in node-rev"));
SVN_ERR(svn_checksum_parse_hex(&checksum, svn_checksum_sha1, str,
scratch_pool));
rep->has_sha1 = checksum != NULL;
if (checksum)
memcpy(rep->sha1_digest, checksum->digest, sizeof(rep->sha1_digest));
return SVN_NO_ERROR;
}
svn_error_t *
svn_fs_x__parse_footer(apr_off_t *l2p_offset,
svn_checksum_t **l2p_checksum,
apr_off_t *p2l_offset,
svn_checksum_t **p2l_checksum,
svn_stringbuf_t *footer,
svn_revnum_t rev,
apr_off_t footer_offset,
apr_pool_t *result_pool)
{
apr_int64_t val;
char *last_str = footer->data;
/* Get the L2P offset. */
const char *str = svn_cstring_tokenize(" ", &last_str);
if (str == NULL)
return svn_error_createf(SVN_ERR_FS_CORRUPT, NULL,
"Invalid r%ld footer", rev);
SVN_ERR(wrap_footer_error(svn_cstring_strtoi64(&val, str, 0,
footer_offset - 1, 10),
"Invalid L2P offset in r%ld footer",
rev));
*l2p_offset = (apr_off_t)val;
/* Get the L2P checksum. */
str = svn_cstring_tokenize(" ", &last_str);
if (str == NULL)
return svn_error_createf(SVN_ERR_FS_CORRUPT, NULL,
"Invalid r%ld footer", rev);
SVN_ERR(svn_checksum_parse_hex(l2p_checksum, svn_checksum_md5, str,
result_pool));
/* Get the P2L offset. */
str = svn_cstring_tokenize(" ", &last_str);
if (str == NULL)
return svn_error_createf(SVN_ERR_FS_CORRUPT, NULL,
"Invalid r%ld footer", rev);
SVN_ERR(wrap_footer_error(svn_cstring_strtoi64(&val, str, 0,
footer_offset - 1, 10),
"Invalid P2L offset in r%ld footer",
rev));
*p2l_offset = (apr_off_t)val;
/* The P2L indes follows the L2P index */
if (*p2l_offset <= *l2p_offset)
return svn_error_createf(SVN_ERR_FS_CORRUPT, NULL,
"P2L offset %s must be larger than L2P offset %s"
" in r%ld footer",
apr_psprintf(result_pool,
"%" APR_UINT64_T_HEX_FMT,
(apr_uint64_t)*p2l_offset),
apr_psprintf(result_pool,
"%" APR_UINT64_T_HEX_FMT,
(apr_uint64_t)*l2p_offset),
rev);
/* Get the P2L checksum. */
str = svn_cstring_tokenize(" ", &last_str);
if (str == NULL)
return svn_error_createf(SVN_ERR_FS_CORRUPT, NULL,
"Invalid r%ld footer", rev);
SVN_ERR(svn_checksum_parse_hex(p2l_checksum, svn_checksum_md5, str,
result_pool));
return SVN_NO_ERROR;
}